874 citations · 1.2k across the 10 of their papers we have counts for
10 papers
A quantum limit on the information retrievable from an image
Lev B Levitin, Tommaso Toffoli
We consider the physical limitations imposed on the information content of an image by the wave and quantum nature of light, when the image is obtained by illuminating a reflecting…
Heat-to-work conversion by exploiting full or partial correlations of quantum particles
Lev B Levitin, Tommaso Toffoli
It is shown how information contained in the pairwise correlations (in general, partial) between atoms of a gas can be used to completely convert heat taken from a thermostat into…
The fundamental limit on the rate of quantum dynamics: the unified bound is tight
Lev B. Levitin, Tommaso Toffoli
The question of how fast a quantum state can evolve has attracted a considerable attention in connection with quantum measurement, metrology, and information processing. Since only…
Thermodynamic cost of reversible computing
Lev B. Levitin, Tommaso Toffoli
Since reversible computing requires preservation of all information throughout the entire computational process, this implies that all errors that appear as a result of the interac…
Symmetric Autocompensating Quantum Key Distribution
Zachary D. Walton, Alexander V. Sergienko, Lev B. Levitin +2
We present quantum key distribution schemes which are autocompensating (require no alignment) and symmetric (Alice and Bob receive photons from a central source) for both polarizat…
Information between quantum systems via POVMs
Lev B. Levitin, Tommaso Toffoli
The concepts of `conditional entropy' and `information' retain their validity for quantum systems, but their properties differ somewhat from those of their classical counterparts;…